--TEST--
negotiateCharset() without any default
--GET--
--ENV--
HTTP_HOST=example.org
SERVER_NAME=example.org
QUERY_STRING=
SERVER_PORT=80
HTTPS=off
REQUEST_URI=/subdir/test.php
SCRIPT_NAME=/subdir/test.php
HTTP_ACCEPT_CHARSET=ISO-8859-1, Big5;q=0.6,utf-8;q=0.7 
--FILE--
1 => us-ascii
2 => us-ascii
3 => us-ascii
4 => us-ascii
5 => us-ascii
--EXPECT--
1 => iso-8859-1
2 => utf-8
3 => Big5
4 => us-ascii
5 => us-ascii